namespace 窗体2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            button_进入.Click += 弹出欢迎信息;
        }

        private void 弹出欢迎信息(object sender, EventArgs e)
        {
            MessageBox.Show("你好！欢迎来到南通");
        }
    }
}